- Area code 314
The area code 314 serves the
independent city ofSt. Louis, Missouri , and most suburbs located inSt. Louis County, Missouri .It is bordered by
area code 618 , across theMississippi River inIllinois , and byarea code 636 in Missouri, which acts as an envelope around the 314 area.History
Area code 314 was one of the original area codes created in October
1947 and served as the area code for most of easternMissouri until it was split onJanuary 7 ,1996 , witharea code 573 . 314 was again split onMay 22 ,1999 , whenarea code 636 was assigned to the rapidly growing outer suburbs. Today, 314 serves a fraction of the area it once did. Also, before the introduction of number portability, 314 was used for all cell phones originated in the 636 area code.In 2000, the Missouri Public Service Commission announced plans to add area code 557 as an overlay of the 314 area code, but soon [http://www.sbc.com/gen/general?pid=1512 postponed indefinitely] the
May 5 ,2002 , implementation date when the commission found no immediate need for more phone numbers.
Area Code Box 1|State=MO
This= area code 314 | N= 636
S= 618, 636
E= 618
W= 636
S1=ILee also
*
List of NANP area codes
*North American Numbering Plan External links
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